Mechanical Operations The main differentiation factor between tube mill and ball mill is the Length to diameter ratio Operating speed Size of the grinding media Final product size Length to diameter ratio Operating speed Size of the grinding media Final product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their Densities Terminal velocities Particle sizes None of these Densities Terminal velocities Particle sizes None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Operation is economical Specific surface of product is more Production rate at a given limiting size is lower Product has lesser size uniformity Operation is economical Specific surface of product is more Production rate at a given limiting size is lower Product has lesser size uniformity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Kick's law None of these Rittinger's law Bond's crushing law Kick's law None of these Rittinger's law Bond's crushing law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.3 0.007 50 0.014 0.3 0.007 50 0.014 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 15 to 20 8 to 10 10 to 15 3 to 4 15 to 20 8 to 10 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
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